Tagline: 'You Can't Hold your Breath & Scream at the Same Time'
Genre: Action, Horror, Mystery, Science Fiction, Thriller
Director: Juan Piquer Simón
Cast: Jack Scalia, R. Lee Ermey, Ray Wise, Deborah Adair, John Toles-Bey, Ely Pouget, Emilio Linder, Tony Isbert, Frank Braña, Edmund Purdom, Salvador Sáinz, Pocholo Martínez-Bordiú, Garrick Hagon, James Aubrey, Derrick Vopelka, Jed Downey, Álvaro Labra, Luis Lorenzo
Runtime: 82Plot: An experimental submarine with a very experienced crew, the "Siren II" is sent to find out what happened to the "Siren I" after it mysteriously disappeared in a submarine rift. Things go awry when they begin to find things that shouldn't be there...